TY  - BOOK
AU  - Böcher, Tyge Wittrock,
TI  - The leaf size of Veronica officinalis in relation to genetic and env ironmental factors
U1  - 583.8 
PY  - 1944///
CY  - Kobenhavn
PB  - Munksgaard
KW  - Veronica officinalis
KW  - Botany
KW  - Variation
KW  - Leaves
N1  - Includes bibliographical references (p. 20)
ER  -